| Rotguss | gunmetal |
| Rotauge | roach |
| Rothuhn | red-legged partridge |
| Rothund | dhole |
| Rotwurst | blood sausage |
| rotgrün | reddish-green |
| Rotfuchs | red fox fox |
| Rotluchs | bobcat |
| Rötung | reddening |
| Abguß | plaster |
| Abguss | cast mold |
| Anguss | sprue |
| Aufguss | infusion |
| Ausguss | drain plughole sink spout |
| Erguss | effusion |
| Guss | casting cast affusion icing gush |
| Ragusa | Ragusa |
| Rollfuß | caster |
| Russ | soot |
| Ruß | soot |